《When was it invented》PPT课件例文.pptx

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1、Revision & writingWhen was it invented?inventionswhattelephone, television, car, personal computer, shoes with special heels, shoes with lights, hot ice-cream scoop, tea, potato chips, zipper, basketballWhitcomb Judson, Shen Nong, Alexander Graham Bell, George Crum, James Naismithwhouseseeing in the

2、 dark, serving really cold ice-cream, change the style of the shoes,for fun and exercisewhen1876, 1885, 1927, 1971, 1893, about 5,000 years ago, over 100 years ago, a century ago, during the 6th century, around 1660InventionsWhoWhenBe used forSurveyWhats your favorite invention?Who was it invented?W

3、hen was it invented?What is it used for?Does it have a cool story?the computerJohn W.Mauchly J.Presper Eckert 1946Store information, send messages, listen to musicMy favorite invention is the computer. The first computer was invented in 1946 and it was invented by John W. Mauchly and J. Presper Ecke

4、rt. We can use the computer to do a lot of things. It can be used for storing information, send messages, listen to music and so on. As time pass by, the technology is developing, and the computer is advancing too. But my partner prefersSelf-check 1 P48 It is often difficult to decide on the invento

5、r of certain inventions. This is because sometimes a few people may _ things which are _ the same. Its hard to tell who came up with the idea first. Some inventions can also lead to other inventions _. So some people _ whether the inventor came up with the idea himself or herself. They think that th

6、e inventor used someone elses idea to create his or her invention. That is why books or _ usually _ more than one inventor when giving information about inventions.inventnearlyall of a suddendoubtwebsitesmention This special pen was invented by Liu Jie. He invented it because he always need to take

7、notes quickly. It has three colors and is used for taking notes quickly. It is very useful if you have a lot to write down. The pen comes with a microchip that can store a list of common words that you will use. You can program the words you will use often into the microchips memory, then assign a s

8、hort form to each word. When you are writing, you just need to write the short forms with the pen, press a button on the pen and all the short forms will change into the actual words. The microchip can contain up to 50 words and you can make changes to the list of words whenever you need to.What pro

9、blem does Liu Jie have?What is it used for?The computer Computers are becoming more and more important in our daily life. Do you know the history and the changes of computers? Computer was invented in 194. At that time, the machine was huge and it was as large as a big house. It weighed about 30 ton

10、s. The computer is a very useful tool in our life, in our study as well as work. For example, computer can send some messages to foreign friends by e-mail. The computer can open our eyes to let us know more. The computer is the most helpful invention in the world. It can help us with our schoolwork

11、too. There are many functions. We can listen to music when we are tired, and we can play the games on computer for fun. It makes us relax. Its hard to imagine what our life would be like if we had no computers in our daily life. And in my opinion, computers are going to change our life completely in

12、 the near future.Who: college studentsWhat: metal pie plate, flying diskWhen: 1950Where: bakery Bridgeport, ConnecticutWhy: new toyHow: students eat pie, throw pie platesToday: clubs, magazines, festival The flying disk was invented by college students. They used a metal pie plate from a bakery in B

13、ridgeport, Connecticut. Students ate the bakerys pies and then threw the pie plates. Today, there are flying disk clubs, magazines and a festival. From pie plate to flying disk The flying disk was invented by college students. It is a new toy. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery in. They found it interesting to throw the pie plates with each other. Then it became a game. Now this game is very popular around the world. And there are flying disk clubs, magazines and even a festival. Problem: _New invention: _Use: _Price: _